AETA President’s Report – Summer 2021

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Published on: August 18, 2021

The challenge of a long winter is finally over. It seems, however, that as one challenge winds down, others arise. As the significance of the pandemic subsides, other challenges manifest, such as labor shortages and hiccups in the commodity markets. Consolidation of farms creates both a disruption to the status quo and opportunity at the same time. Warm temperatures bring the flush of spring pasture and also the rear ends of recipient cows capable of filling your pocket with a slimy effluent. We take the good with the bad.

To say the past year has been a challenge would be stating the obvious.  Despite the progress made in dealing with the COVID-19 pandemic, there are still unresolved issues, one of which is international travel.  The AETA Board, along with CETA, tried to navigate this storm, but we were unable to proceed with an in-person convention due to the uncertainty surrounding the opening of the US-Canada border.  As a result, both AETA and CETA elected to forgo an in-person convention for 2021 in favor of another virtual meeting.  The meeting format will be similar to that in 2020 but will be hosted by CETA with the help of FASS and AETA.  The program that CETA is assembling is coming together, and we have a preliminary speakers list posted on the AETA website.

The AETA also faces the challenge of recruiting and retaining new members. The AETA Certification “brand” is something in which all certified members should take pride. The AETA-certified practitioner status is not only a source of pride, but also a designation that ensures competency. Unfortunately, many cattlemen do not appreciate or understand the significance of the AETA certification or the educational opportunities available to both certified and non-certified members through our association. We feel that for the AETA to remain relevant and grow, the AETA brand and certification have to grow.

We have had success in offering continuing education opportunities to professionals and, along with that, complimentary membership for a year. The student scholarship program has also helped with recruiting new members, but there is more that we can do.

Many of our clients are large players in the embryo transfer field, and we feel they would benefit from AETA regular membership. On more and more farms, on-farm labor is used to transfer embryos, both fresh and cryopreserved. The educational opportunities and networking opportunities offered by the AETA could elevate both professionals and their clients. Breed associations such as Holstein and American Angus could also benefit from associate membership.

The true significance of AETA certification has yet to be discovered by the mainstream of the embryo transfer world. This process needs to happen, yet it will only happen slowly and deliberately. We recently had stickers printed with the AETA Certified logo that will be distributed to certified members. These stickers can and should be placed anywhere that it would cause a client to ask about what AETA certification is. Finally, we also need to continue to increase our exposure to the veterinary and animal science communities.

One of the most recent challenges we met were the new European Union (EU) import regulations on both conventional and IVP embryos. Ashley Swenson and the entire Government Liaison Committee in cooperation with the United States Department of Agriculture (USDA) navigated these troubled waters like true professionals, providing clarity and taking a strong stand on behalf of US embryo transfer professionals and producers alike. While the changes in the paperwork requirements will take a little time to get used to, the transition to the new regulations has happened already. Unfortunately, it appears as though the number of sires available to be used in the production of IVF embryos eligible for EU export will decrease as a result of the new regulations.

Challenges will continue; they always do. Challenges become opportunities when met head on. Stay safe, be well, and keep the green effluent away from your pockets.

Dr. Bill Croushore – AETA President

Register now for the 2021 AETA-CETA/ACTE Joint Annual Virtual Meeting!

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Published on: August 18, 2021

The 2021 AETA-CETA/ACTE Joint Annual Meeting will be held virtually beginning on October 15. You must register before October 15 to get access to the live virtual meeting. Register now!

All of the scientific, sponsor, and continuing education (CE) information can be found on the AETA Annual Convention page as it becomes available. Check back often!

For the price of US$200, registrants will be able to access the meeting content until December 31. Register before October 15 to join us for the live virtual meeting. Registration will reopen after the live meeting from October 17 to December 1, and registrants will have access to the convention recordings and CE quizzes until the end of the year.

Prerecorded sessions will be made available via a link on the AETA convention page at 12:01 a.m. (CDT) on Friday, October 15. During the times on the schedule, speakers will be available to chat via Zoom about their presentations and answer any questions you may have.

All sessions will have a quiz that participants must participate in and pass with a score of at least 70% to receive CE credits.

Please note that speakers will only be available for discussion during their scheduled time on either October 15 or 16.

We look forward to seeing you in October!

2021 AETA-CETA/ACTE Joint Annual Virtual Meeting Scientific Schedule

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Published on: August 18, 2021

All times listed are central daylight time

Friday, October 15

12:01 AMAll pre-recorded sessions available for viewing
8:45 AM – 9:00 AMWelcome & Sponsor Announcements
9:00 AM –10:10 AMSession 1: Strategies to simplify in vivo and in vitro embryo
production in beef donors; competing or complementary techniques?

Presented by Dr. Gabriel Bo
10:10 AM – 12:00 PMAETA Session
10:10 AM – 12:00 PMCETA/ACTE Annual General Meeting
12:00 PM – 1:10 PMSession 2: Complications associated with equine transvaginal ultrasound-guided follicle aspiration

Presented by Dr. Katrin Hinrichs
1:10 PM – 2:20 PMSession 3: Disease control around Embryo Transfer

Presented by Dr. François-Xavier Grand
2:20 PM – 3:30 PMSession 4: Control of the estrous cycle among embryo transfer recipients using the 7&7 Synch protocol

Presented by Dr. Jordan Thomas
3:30 PM – 4:40 PMSession 5: Gametes and embryos from stem cells: status and applications in
animal reproduction


Presented by Dr. Pablo Ross
4:40 – 5:50 PMSession 6: Periconceptual environment impact on gametes and embryo epigenetic legacy

Presented by Dr. Marc-André Sirard
5:50 PMDay 1 closing remarks

Saturday, October 16

8:45 AM – 9:00 AMWelcome and Sponsor Announcements
9:00 AM – 10:40 AMSession 7: OPU and lab considerations in providing IVF services

Presented by Dr. Jon Schmidt & Patti Anderson, MS
10:40 AM – 11:50 AMSession 8: Calves from calves: accelerating genetic advancement

Presented by Dr. Hernan Baldassarre
12:00 PM – 1:00 PMAETA Business Meeting (election of new officers)
12:00 PM – 1:00 PMCETA/ACTE New Board of Directors
1:10 PM – 2:20 PMSession 9: Practitioners Forum

Embryo Debris: Presented by Dr. Gabriel Couto

Practitioner Challenges: Preparing for IVF Transfer Day: Presented by Dr. Brad Lindsey

Fresh IVF transfer on Day 6.5 post fertilization: Presented by Dr. Cody Bailey
2:20 PM – 3:30 PMSession 10: Small Ruminants

Presented by Dr. Tad Thomson
3:30 PM – 4:40 PMSession 11: Progesterone supplementation: When does it increase reproductive efficiency
in cattle?

Presented by Dr. Angelika Stock
4:40 PM – 5:50 PMSession 12: The cow’s genital tract in postpartum period: Update

Presented by Dr. Réjean Lefebvre
5:50 PMConvention Closing Remarks and BOD Election Results

2021 Candidates for the AETA Board of Directors

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Published on: August 18, 2021

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2021 AETA Certification Exam and Practicum

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Published on: August 18, 2021

Those seeking to sit for the 2021 AETA Certification Exam and Practicum will still be able to voluntarily do so this year at the Iowa State University (ISU) College of Veterinary Medicine in Ames, Iowa, on Saturday, September 25, in person, pending approval of their application. The exam will begin at 8:00am central time and more information on the exact location at ISU will be made available soon.

All applications to sit for the exam must be received no later than Wednesday, September 1.

Please visit the AETA Certification guidelines for more information on how to complete and submit your application.

Sincerely,

The AETA Certification Committee

Webinar series: Strategies for Control of Estrous Cycles of Beef Heifers & Cows

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Published on: August 18, 2021

The University of Missouri’s National Center for Applied Reproduction and Genomics is hosting a webinar series that focuses on control of the estrous cycle in beef heifers and cows.  The series begins on Thursday, September 2nd with a one-hour presentation on the bovine estrous cycle and products approved for control.  Additional topics will be offered each Thursday evening throughout the month and include estrous synchronization programs for replacement heifers, postpartum cows, and cows managed as recipients in embryo transfer programs.  The series concludes on September 30th with a presentation on assessing synchronization program efficacy and identifying possible problems when outcomes do not meet expectations.  The program has been submitted (but is not yet approved) for 5 hours of continuing education credit in jurisdictions that recognize RACE approval.  There is no cost to participants and further information/registration can be accessed here: https://cvent.me/M8A4dK. All presentations will be recorded and available shortly after the conclusion of the series. 

Disappearance and uptake of [125I]FSH in the rat, rabbit, ewe and cow

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Published on: August 18, 2021

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D. B. LasterUSDA

Date of this Version

1972

Comments

Published in J. Reprod. Fert. (1972) 30, 407-415

Abstract

Follicle-stimulating hormone (NIH-FSH-S8) was labelled with 125I to determine its disappearance rate after a single intravenous injection and to determine the level of circulating [125I]fsh in the blood after a single intramuscular or subcutaneous injection in the rat, rabbit, ewe and cow. There was a difference in the disappearance and uptake rates among the four species, but the shape of the curve for rate of loss and uptake of labelled fsh was similar in all species. The disappearance of radioactivity occurred at two rates; the first from 1 to 8 min and the second from 16 to 96 min. The half-life, calculated from the total decay curve in each species was 94±21, 118±16, 334±41 and 301±23 min for the rats, rabbits, ewes and cows, respectively. Intramuscular injections resulted in an average of 56% higher [125I]fsh blood levels than subcutaneous injections for all species.

Embryo Transfer in Cattle

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Published on: August 18, 2021

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Reproductive Physiology Review

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Published on: August 18, 2021

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In Vitro Fertilization in Cattle

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Published on: August 18, 2021

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Articles of Interest

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Published on: August 18, 2021

https://www.animal-reproduction.org/article/5b5a604bf7783717068b46a0

https://www.journalofdairyscience.org/article/S0022-0302(19)30635-6/fulltext

https://www.animal-reproduction.org/article/doi/10.21451/1984-3143-AR1002

https://www.semanticscholar.org/paper/Artificial-Insemination-and-Embryo-Transfer-in-Farin/da20551c1a0fad2bafd1dd931de027691a6bebe0

https://www.sciencedirect.com/science/article/pii/S0022030201746905

https://www.mdpi.com/2076-2615/11/6/1666/htm

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7830735/

https://www.sciencedirect.com/science/article/pii/S0022030208712153

https://rep.bioscientifica.com/view/journals/rep/154/6/REP-17-0357.xml

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